From 79e2df63af4d231a1223887e79a819b3baac9a6c Mon Sep 17 00:00:00 2001 From: Roland Scheidegger Date: Fri, 27 Mar 2009 22:42:19 +0100 Subject: [PATCH] i965: add support for signed rgba texture format --- src/mesa/drivers/dri/i965/brw_wm_surface_state.c | 4 ++++ src/mesa/drivers/dri/intel/intel_extensions.c | 1 + src/mesa/drivers/dri/intel/intel_tex_format.c | 4 ++++ 3 files changed, 9 insertions(+) diff --git a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c index e6113eff87e..66ce9289558 100644 --- a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c +++ b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c @@ -142,6 +142,7 @@ static GLuint translate_tex_format( GLuint mesa_format, GLenum internal_format, case MESA_FORMAT_SRGBA8: return BRW_SURFACEFORMAT_R8G8B8A8_UNORM_SRGB; + case MESA_FORMAT_SRGB_DXT1: return BRW_SURFACEFORMAT_BC1_UNORM_SRGB; @@ -159,6 +160,9 @@ static GLuint translate_tex_format( GLuint mesa_format, GLenum internal_format, case MESA_FORMAT_DUDV8: return BRW_SURFACEFORMAT_R8G8_SNORM; + case MESA_FORMAT_SIGNED_RGBA8888_REV: + return BRW_SURFACEFORMAT_R8G8B8A8_SNORM; + default: assert(0); return 0; diff --git a/src/mesa/drivers/dri/intel/intel_extensions.c b/src/mesa/drivers/dri/intel/intel_extensions.c index 8dd0b2461bd..9ec1b4ec2f4 100644 --- a/src/mesa/drivers/dri/intel/intel_extensions.c +++ b/src/mesa/drivers/dri/intel/intel_extensions.c @@ -132,6 +132,7 @@ static const struct dri_extension brw_extensions[] = { { "GL_ARB_shading_language_100", GL_VERSION_2_0_functions }, { "GL_ARB_shading_language_120", GL_VERSION_2_1_functions }, { "GL_ARB_shadow", NULL }, + { "GL_MESA_texture_signed_rgba", NULL }, { "GL_ARB_texture_non_power_of_two", NULL }, { "GL_ARB_vertex_shader", GL_ARB_vertex_shader_functions }, { "GL_EXT_shadow_funcs", NULL }, diff --git a/src/mesa/drivers/dri/intel/intel_tex_format.c b/src/mesa/drivers/dri/intel/intel_tex_format.c index 8732354e7a5..ce33cdc218b 100644 --- a/src/mesa/drivers/dri/intel/intel_tex_format.c +++ b/src/mesa/drivers/dri/intel/intel_tex_format.c @@ -175,9 +175,13 @@ intelChooseTextureFormat(GLcontext * ctx, GLint internalFormat, case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT: return &_mesa_texformat_srgb_dxt1; + /* i915 could also do this */ case GL_DUDV_ATI: case GL_DU8DV8_ATI: return &_mesa_texformat_dudv8; + case GL_RGBA_SNORM: + case GL_RGBA8_SNORM: + return &_mesa_texformat_signed_rgba8888_rev; #endif default: -- 2.30.2